I was doing Legs Monday, back and arms Tuesday, and chest and tri's Wednesday and then repeat through Saturday. I was wondering if I could do Upper body and Lower Body switch everyday? Is this a good...

My mom and dad both ran track. My mom was super fast but my dad was short but stockier. If he doesnt believe i can run a 4.6 then I don't car, it doesnt hurt me. lol just trying to find some help on...